Scanmetender Standard is a multifunctional TCP/UDP network scanner and security suite, which unites a perfect graphical user interface (GUI) with professional functions. Scanmetender Standard is not only able to scan ports, but also to close them! It is probably the best choice if you search a port scanner.

Onlineeye optimizes PC Internet performance. The real-time Graphic Analyzer separately
measures download and upload speed/time. A zoomable and printable graph shows 24
hours of speed history, allowing you to see what Internet activity took place when you
were away from the computer. The active taskbar icon graphs the current speed. The networkmonitor shows every internetactivity of your DSL connection and let you unmask all spys !

A set of network tools useful in diagnosing PCs and networks. It includes a NetStat utility that maps open ports to the owning application, a NetBIOS scanner, SNMPAudit tool, a NetBIOS Auditing Tool, and a monitor of connections to shared resources, as well as a process monitor. Other useful tools are included, such as Ping, TraceRoute, and NSLookup. The program is a great replacement for such Windows utilities as nbtstat, netstat, and NetWatcher